Update 03_3_uebung_etwas_ueber_das_system_herausfinden.md

03_3_uebung_etwas_ueber_das_system_herausfinden.md

@@ -1,2 +1,17 @@
 # 3.3 Übung: Etwas über das System herausfinden
 
+{% exercise %}
+Define a variable `x` equal to 10.
+{% initial %}
+var x =
+{% solution %}
+var x = 10;
+{% validation %}
+assert(x == 10);
+{% context %}
+// This is context code available everywhere
+// The user will be able to call magicFunc in his code
+function magicFunc() {
+    return 3;
+}
+{% endexercise %}